20257+6011 A   731

 
 
20h 25m 42.81s +60 10' 39.4" P.A. 217 sep 2.3 mag 7.54,11.05 Sp F0I dist. 184.5 pc (601.84 l.y.)
 
 
Coord 2000
20257+6011
Discov num
A   731
Comp
Coord arcsec 2000
20 25 42.81 +60 10 39.4
Date first
1904
Date last
2015
Obs
9
Pa first
214
Pa last
217
P.A. Now (θ)
217°
Sep first
2.2
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
7.54
Mag sec
11.05
delta mag (ΔM)
3.51
Spectral class
F0I (yellow-white)
Pri motion ra
+029
Sec motion ra
+028
Pri motion dec
+016
Sec motion dec
+013
Notes
rPM=0.095 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
217.1
Precise sep
2.291
Constellation
Cepheus
SAO
18858
HIP
100759
Tycho2
4233-01643-1
Gaia DR2
97145379584
HD
195013
BD
BD+59 2234
Distance
184.5
Distance ly
601.84
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20257+6011 A 731 1991 8 217 2.3 7.54 11.05 F0I D 202542.81+601039.4
20257+6011 A 731 2015 9 217 2.3 7.54 11.05 F0I 202542.81+601039.4

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